"Wardssci090081"
Ward's® Composting Investigations Lab Activity
The Only Tabletop Composting Activity on the Market Today
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Eisco BOD Bottles with Glass Pennyhead Stoppers
Used for incubating diluted samples to determine biological oxygen demand.
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Milwaukee Economy Dissolved Oxygen Meter
This user-friendly meter has a long battery life and plenty of helpful functions.
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Vernier® Colorimeter
This 4-wavelength Vernier® Colorimeter is great for Beer's law experiments, determining the concentration of unknown solutions, or studying changes in concentration vs. time.
-The new design includes a one-button automatic calibration feature.
-Fifteen 3.5 ml cuvettes are included.
-A package of 100 replacement cuvettes (with 20 lids) is available separately.
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Vernier® Turbidity Sensor
Use the Turbidity sensor to measure the turbidity of freshwater or seawater samples. Its small, sleek design and simple setup make it easy to use at the collection site or when you return to the classroom.
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Screen Sieve Set 6
An economical set of durable sieve that will hold up to tough use.
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Ward's® Precision Balances
Ward's precision balances are perfect for school laboratories, AP classes, or prep-room use. These balances measure in grams and Newtons.

